Home / 176,353,505.61-243,008,928.73-136,418,424.51

Finding the Fourth Proportional to 176,353,505.61, 243,008,928.73 and 136,418,424.51

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Solution

The fourth proportional to 176,353,505.61, 243,008,928.73 and 136,418,424.51 is: 187,979,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,353,505.61 : 243,008,928.73 = 136,418,424.51 : x
  2. Step 2: Convert to fraction form
    176,353,505.61/243,008,928.73 = 136,418,424.51/x
  3. Step 3: Cross multiply
    176,353,505.61x = 243,008,928.73 × 136,418,424.51
  4. Step 4: Simplify right side
    176,353,505.61x = 33,150,895,199,209,472
  5. Step 5: Solve for x
    x = 33,150,895,199,209,472/176,353,505.61
  6. Step 6: Final answer
    x = 187,979,791.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.